CN102583815A - Method for treating waste liquid produced during on-line chemical oxygen demand (COD) determination with potassium dichromate method - Google Patents
Method for treating waste liquid produced during on-line chemical oxygen demand (COD) determination with potassium dichromate method Download PDFInfo
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- CN102583815A CN102583815A CN2012100196677A CN201210019667A CN102583815A CN 102583815 A CN102583815 A CN 102583815A CN 2012100196677 A CN2012100196677 A CN 2012100196677A CN 201210019667 A CN201210019667 A CN 201210019667A CN 102583815 A CN102583815 A CN 102583815A
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- waste liquid
- potassium dichromate
- cod
- reaction
- line determination
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- 239000002699 waste material Substances 0.000 title claims abstract description 78
- 239000007788 liquid Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 43
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000000126 substance Substances 0.000 title claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 2
- 239000001301 oxygen Substances 0.000 title abstract 2
- 239000006228 supernatant Substances 0.000 claims abstract description 30
- 239000002904 solvent Substances 0.000 claims abstract description 28
- 150000003839 salts Chemical class 0.000 claims abstract description 24
- 150000002500 ions Chemical class 0.000 claims abstract description 18
- 239000003513 alkali Substances 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011734 sodium Substances 0.000 claims description 36
- 230000008569 process Effects 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 19
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 13
- 229910021645 metal ion Inorganic materials 0.000 claims description 9
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 9
- 235000015320 potassium carbonate Nutrition 0.000 claims description 9
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 9
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 2
- 239000001117 sulphuric acid Substances 0.000 claims description 2
- 235000011149 sulphuric acid Nutrition 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 41
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 14
- 231100000331 toxic Toxicity 0.000 abstract description 6
- 230000002588 toxic effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 230000036541 health Effects 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 230000036632 reaction speed Effects 0.000 abstract 1
- 239000011651 chromium Substances 0.000 description 34
- 239000000243 solution Substances 0.000 description 20
- 238000003756 stirring Methods 0.000 description 19
- 231100000419 toxicity Toxicity 0.000 description 8
- 230000001988 toxicity Effects 0.000 description 8
- 229910001430 chromium ion Inorganic materials 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 239000010808 liquid waste Substances 0.000 description 4
- 238000010561 standard procedure Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 230000002110 toxicologic effect Effects 0.000 description 3
- 231100000027 toxicology Toxicity 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- -1 silver ions Chemical class 0.000 description 2
- DOBUSJIVSSJEDA-UHFFFAOYSA-L 1,3-dioxa-2$l^{6}-thia-4-mercuracyclobutane 2,2-dioxide Chemical compound [Hg+2].[O-]S([O-])(=O)=O DOBUSJIVSSJEDA-UHFFFAOYSA-L 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 240000003864 Ulex europaeus Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- LXMQZGGLHVSEBA-UHFFFAOYSA-N chromium;trihydrate Chemical compound O.O.O.[Cr] LXMQZGGLHVSEBA-UHFFFAOYSA-N 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 229910000372 mercury(II) sulfate Inorganic materials 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201210019667 CN102583815B (en) | 2012-01-28 | 2012-01-28 | Method for treating waste liquid produced during on-line chemical oxygen demand (COD) determination with potassium dichromate method |
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CN 201210019667 CN102583815B (en) | 2012-01-28 | 2012-01-28 | Method for treating waste liquid produced during on-line chemical oxygen demand (COD) determination with potassium dichromate method |
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CN102583815A true CN102583815A (en) | 2012-07-18 |
CN102583815B CN102583815B (en) | 2013-08-28 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103288231A (en) * | 2013-04-16 | 2013-09-11 | 山东益源环保科技有限公司 | Industrial treatment process for CODCr waste liquid |
CN103864196A (en) * | 2014-03-19 | 2014-06-18 | 上海摩威环境科技股份有限公司 | Treatment method for waste liquid produced by permanganate titration COD (chemical oxygen demand) online determination instrument |
CN105417825A (en) * | 2015-12-28 | 2016-03-23 | 河北科瑞达仪器科技股份有限公司 | Waste liquid flash evaporation treatment method |
CN105588927A (en) * | 2014-11-14 | 2016-05-18 | 株式会社岛津制作所 | Treatment method for waste liquid in COD measurement apparatus |
CN106630298A (en) * | 2017-01-19 | 2017-05-10 | 天津碧水源膜材料有限公司 | Method for rapidly treating Ag<+>, Cr<6+> and Hg<2+> in industrial acidic waste liquid |
CN108956853A (en) * | 2018-07-16 | 2018-12-07 | 郑州市通标环境检测有限公司 | A kind of method that dichromate titration measures COD in water |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1262235A (en) * | 2000-01-03 | 2000-08-09 | 海门市江滨化工二厂 | Process for treating part of waste liquid during production of reduction red F3B and cyclic application |
DE10029146A1 (en) * | 1999-06-26 | 2000-12-28 | Merck Patent Gmbh | Recycling sulfuric acid solution containing metals, preferably test solutions from determination of chemical oxygen demand, involves redox-controlled separation of silver amalgam with iron and precipitation as hydroxide |
CN101993158A (en) * | 2009-08-28 | 2011-03-30 | 宁波宝新不锈钢有限公司 | Method for treating stainless steel cold rolling pickling waste water |
-
2012
- 2012-01-28 CN CN 201210019667 patent/CN102583815B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10029146A1 (en) * | 1999-06-26 | 2000-12-28 | Merck Patent Gmbh | Recycling sulfuric acid solution containing metals, preferably test solutions from determination of chemical oxygen demand, involves redox-controlled separation of silver amalgam with iron and precipitation as hydroxide |
CN1262235A (en) * | 2000-01-03 | 2000-08-09 | 海门市江滨化工二厂 | Process for treating part of waste liquid during production of reduction red F3B and cyclic application |
CN101993158A (en) * | 2009-08-28 | 2011-03-30 | 宁波宝新不锈钢有限公司 | Method for treating stainless steel cold rolling pickling waste water |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103288231A (en) * | 2013-04-16 | 2013-09-11 | 山东益源环保科技有限公司 | Industrial treatment process for CODCr waste liquid |
CN103288231B (en) * | 2013-04-16 | 2014-04-02 | 山东益源环保科技有限公司 | Industrial treatment process for CODCr waste liquid |
CN103864196A (en) * | 2014-03-19 | 2014-06-18 | 上海摩威环境科技股份有限公司 | Treatment method for waste liquid produced by permanganate titration COD (chemical oxygen demand) online determination instrument |
CN105588927A (en) * | 2014-11-14 | 2016-05-18 | 株式会社岛津制作所 | Treatment method for waste liquid in COD measurement apparatus |
CN105417825A (en) * | 2015-12-28 | 2016-03-23 | 河北科瑞达仪器科技股份有限公司 | Waste liquid flash evaporation treatment method |
CN106630298A (en) * | 2017-01-19 | 2017-05-10 | 天津碧水源膜材料有限公司 | Method for rapidly treating Ag<+>, Cr<6+> and Hg<2+> in industrial acidic waste liquid |
CN108956853A (en) * | 2018-07-16 | 2018-12-07 | 郑州市通标环境检测有限公司 | A kind of method that dichromate titration measures COD in water |
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CN102583815B (en) | 2013-08-28 |
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Denomination of invention: Treatment method of waste liquid produced by on-line determination of COD by potassium dichromate method Effective date of registration: 20220421 Granted publication date: 20130828 Pledgee: Anhui Ma'anshan Rural Commercial Bank Co.,Ltd. Pledgor: MA'ANSHAN HENGTAI ENVIRONMENT PROTECTION EQUIPMENT Co.,Ltd. Registration number: Y2022980004519 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230720 Granted publication date: 20130828 Pledgee: Anhui Ma'anshan Rural Commercial Bank Co.,Ltd. Pledgor: MA'ANSHAN HENGTAI ENVIRONMENT PROTECTION EQUIPMENT Co.,Ltd. Registration number: Y2022980004519 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 |